[INFO] fetching crate tune 0.26.0...
[INFO] checking tune-0.26.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate tune 0.26.0 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate tune 0.26.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tune 0.26.0
[INFO] finished tweaking crates.io crate tune 0.26.0
[INFO] tweaked toml for crates.io crate tune 0.26.0 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate crates.io crate tune 0.26.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92edfb8c425a31480139f2822072dfe2786494cec95345040fe27c8976641d6e
[INFO] running `Command { std: "docker" "start" "-a" "92edfb8c425a31480139f2822072dfe2786494cec95345040fe27c8976641d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92edfb8c425a31480139f2822072dfe2786494cec95345040fe27c8976641d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92edfb8c425a31480139f2822072dfe2786494cec95345040fe27c8976641d6e", kill_on_drop: false }`
[INFO] [stdout] 92edfb8c425a31480139f2822072dfe2786494cec95345040fe27c8976641d6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 430cfbbfb546d33186655584d71ea2637c3328bfbc902c2e6089b078b07a4ae4
[INFO] running `Command { std: "docker" "start" "-a" "430cfbbfb546d33186655584d71ea2637c3328bfbc902c2e6089b078b07a4ae4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking tune v0.26.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `retuned_notes`
[INFO] [stdout]    --> src/mts.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     retuned_notes: Vec<SingleNoteTuningChange>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `retuned_notes`
[INFO] [stdout]    --> src/mts.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     retuned_notes: Vec<SingleNoteTuningChange>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "430cfbbfb546d33186655584d71ea2637c3328bfbc902c2e6089b078b07a4ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430cfbbfb546d33186655584d71ea2637c3328bfbc902c2e6089b078b07a4ae4", kill_on_drop: false }`
[INFO] [stdout] 430cfbbfb546d33186655584d71ea2637c3328bfbc902c2e6089b078b07a4ae4